ADS-B 2
ADS-B 2 : Automatic Dependent Surveillance Broadcast ADS-B is a next generation surveillance technology incorporating both air and ground aspects that provide air traffic control (ATC) with a more accurate picture of the aircraft's three-dimensional position in the en route, terminal, approach and surface environments. The aircraft provides the airborne portion in the form of a broadcast of its identification, position, altitude, velocity, and other information. The ground portion is comprised of ADS-B ground stations which receive these broadcasts and direct them to ATC automation systems for presentation on a controller's display. In addition, aircraft equipped with ADS-B In capability can also receive these broadcasts and display the information to improve the pilot's situation awareness of other traffic